Dr. Murai Éva szerk.: Parasitologia Hungarica 22. (Budapest, 1989)

Diagram 9. Computer simulation results: the mean number of long face fly visits (longer than 60 seconds) per head per hour (each "count" refers to one independent simulation) Count Midpoint 1 33.0 0 33.2 1 33.4 0 33.6 1 33.8 7 34 .0 4 34.2 6 34.4 1 1 34.6 1 5 34.8 1 4 35 .0 1 0 35 . 2 9 35.4 8 35.6 3 35.8 6 36.0 4 36.2 .1 + I + 1. 4 8 12 Histogram Frequency . I . 16 20 (mean 34.967; std err. 0.064; median 34.950; mode 35.140; std dev. 0.636; variance 0.405; kurtosis 0.219; SE kurt. 0.478; skewness -0.249; SE skew. 0.241; range 3.320; minimum 32.960; maximum 36.280; sum 3496.680) Diagram 10. Computer simulation results: number of long (longer than 60 seconds) face fly visits per head per hour (a summary of 100 successive independent simulations) Count Midpoint 418 5.63 335 15.63 956 25.63 1827 35.63 941 45.63 178 55.63 143 65.63 125 75.63 82 85.63 28 95.63 4 105.63 1 112.00 .. .1 + 1 + I + 1 + I 400 800 1200 1600 2000 Histogram Frequency (mean 35.421; std. err. 0.233; median 35.000,: mode 34.000; std dev. 16.539; variance 273.537; kurtosis 1.819; S E kurt. 0.069; skewness 0.794; S E skew 0.034; range 111.373; minimum 0.627; maximum 112.000; sum 178449. 569)